Re: Farmall 450

That would reduce the flow into the oil if the leak is not a compression leak from combustion gasses into the coolant. There are test kits from auto stores that test radiators for the presence of exhaust gasses. Cheap and accurate.A cracked bore casting is possible allowing coolant to leak down between the sleeves and the cast bore. The coolant will be found dripping from the interface between the sleeve and the block. The solution for that is to have the block bored for a repair sleeve then that sleeve bored (and counterbored for the sleeve ring) to accept the original sleeve that is in the tractor.That is a very successful and permanent repair.If it is not a compression leak, I would try barsleak liquid to seal it up till the time it can be repaired correctly (follow the directions) Jim

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